/*
 * Copyright 2022 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package androidx.compose.integration.demos.settings

import android.content.Context
import androidx.compose.runtime.Composable
import androidx.compose.ui.unit.LayoutDirection
import androidx.compose.ui.unit.LayoutDirection.Ltr
import androidx.preference.DropDownPreference
import androidx.preference.Preference.SummaryProvider

/** Setting that determines which soft input mode the demo activity's window is configured with. */
internal object LayoutDirectionSetting : DemoSetting<LayoutDirection> {
    private const val Key = "layoutDirection"

    override fun createPreference(context: Context) =
        DropDownPreference(context).apply {
            title = "Layout direction"
            key = Key
            LayoutDirection.values()
                .map { it.name }
                .toTypedArray()
                .also {
                    entries = it
                    entryValues = it
                }
            summaryProvider = SummaryProvider<DropDownPreference> { it.entry }
            setDefaultValue(Ltr.name)
        }

    @Composable
    fun asState() =
        preferenceAsState(Key) {
            val value = getString(Key, Ltr.name) ?: Ltr.name
            LayoutDirection.valueOf(value)
        }
}
